Region: global

                                     st77                  at64             at64/st77         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.30357     0.04370     0.34185     0.04939     1.12745     0.05831
                  Rrs_412     0.00915     0.00045     0.00922     0.00048     1.00784     0.02507
                  Rrs_443     0.00750     0.00026     0.00751     0.00028     1.00225     0.01664
          Rrs_490,Rrs_488     0.00542     0.00011     0.00559     0.00013     1.02992     0.01173
          Rrs_510,Rrs_531     0.00338     0.00006     0.00253     0.00006     0.74632     0.01442
          Rrs_555,Rrs_547     0.00178     0.00004     0.00196     0.00005     1.09916     0.02908
          Rrs_670,Rrs_667     0.00026     0.00002     0.00022     0.00001     0.85704     0.06092
          Rrs_670,Rrs_678     0.00026     0.00002     0.00024     0.00001     0.93310     0.06163
          aot_865,aot_869     0.06641     0.00352     0.08229     0.00405     1.24065     0.05531
                 angstrom     0.91729     0.09252     0.84888     0.05709     0.93181     0.08325